133409890266 has 16 divisors (see below), whose sum is σ = 266853765504. Its totient is φ = 44464299264.

The previous prime is 133409890231. The next prime is 133409890309. The reversal of 133409890266 is 662098904331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364866 + ... + 1459341.

It is an arithmetic number, because the mean of its divisors is an integer number (16678360344).

Almost surely, 2^133409890266 is an apocalyptic number.

133409890266 is an abundant number, since it is smaller than the sum of its proper divisors (133443875238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133409890266 is a wasteful number, since it uses less digits than its factorization.

133409890266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832085.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 133409890266 in words is "one hundred thirty-three billion, four hundred nine million, eight hundred ninety thousand, two hundred sixty-six".